Shoe anti-slip attachment



FIG. 1 is a perspective view of a shoe anti-slip attachement showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a reference perspective view showing the shoe anti-slip attachment in condition of use;

FIG. 8 is an enlarged, partial perspective view thereof taken from circle 8 in FIG. 7; and,

FIG. 9 is a reference perspective view showing the shoe anti-slip attachment in another condition of use.

The broken line circle in FIGS. 7 and 8 illustrates the location from where the partial FIG. 8 view is taken, and forms no part of the claimed design. The vertical alternating long and short dashed lines in FIGS. 7 and 9 depict the order of assembly forming no part of the claimed design, and the remainder of the broken lines in FIGS. 7 and 9 depict environmental structure that also forms no part of the claimed design. 

The ornamental design for a shoe anti-slip attachment, as shown and described. 